LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

How to cheat emmissions 101! It worked!

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Old 11-27-2003, 01:49 PM
  #31  
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No Emission Testing Here

Originally posted by SSlammedlt-4
Im glad we dont have emission tests here in the heart of America. I love running no cats and no egr. it great, not having to worry if I am going to pass the mext test.

L8
Shawn
We had emission testing in three urban counties in MI up to a few years ago. If you failed the test, the most you had to spend was $50 for an "emission tune" or similar. I'm definitely glad that they did away with that program. My car hasn't a prayer of a chance to pass any emission test. In fact, I bet if I hooked up a spark plug to my exhaust pipe, I could blow flames 3' out the tailpipe.
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Old 11-27-2003, 02:05 PM
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cool man.u know what sucks about where i live is that the county that is 10 min down the street from me DOESNT have e-check and mine does. go figure. stupid state funding thng is all it is.mabey they should start testing semis and things that blow black smoke from their stacks, the real auto polllutants!!!!!
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Old 12-08-2003, 06:56 PM
  #33  
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thats not correct. diesel smog is just particulate matter, just floats around and then settles on the ground, just like dust or something. sure it might not be good for the lungs if u inhale allot of it, but gas fumes is what kills the ozone. thats why diesels have not had smog tests up untill recently.
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Old 12-10-2003, 07:55 AM
  #34  
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Originally posted by longwaytofall
thats not correct. diesel smog is just particulate matter, just floats around and then settles on the ground, just like dust or something. sure it might not be good for the lungs if u inhale allot of it, but gas fumes is what kills the ozone. thats why diesels have not had smog tests up untill recently.
Ever get caught behind a bus in heavy traffic for any length of time? The CO emissions will put you to sleep. Why do you think the newer buses have their exhaust pipes up high now?
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Old 09-07-2004, 08:28 PM
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Re: How to cheat emmissions 101! It worked!

what two injectors did you un-hook?
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Old 09-07-2004, 08:38 PM
  #36  
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Re: How to cheat emmissions 101! It worked!

Originally Posted by Johnnynsac
Now what would happen if you were to get caught? hmm
"My Mechanic is oldschool and said it would help my car burn cleaner, thus helping me pass emissions. "
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Old 09-10-2004, 04:46 PM
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Re: How to cheat emmissions 101! It worked!

Im with djlup..I'm curious as to what 2 injectors and EXACLTY what was invovled..step by step that you did to pass it..I have to get my Z emissioned soon and I have an aftermarket cam and all that stuff upgraded, only thing stock is my exhaust manifolds really..even the exhaust and cat are 3". So with my mods in my sig..will I have a problem?
My first impression was that the car would hesitate and not run right if you disconnected even 1 injector
All in all..the injector thing is WAY better than the AIR trick IMHO...if all you do is disconnect something..then put it back to normal..you're set and nothing got messed up. The other way requires drilling and welding and all that crap. Someone tried this that can make a 'how to' list?

Last edited by 1Qwik94Z; 09-10-2004 at 04:48 PM.
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Old 09-10-2004, 05:57 PM
  #38  
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Re: How to cheat emmissions 101! It worked!

Originally Posted by BlackLT1_TX
i can only imagine, i live in dfw, rolling smog test every year, and random emissions testing units on random offramps ready to sniff you as you drive over them, if you are above the limit it snaps a photo and then you find a notice that you have to get your car reinspected within so many days or something. it sucks, made me put my cat back on

if i get a cam or headers i'll pull it off, just wasnt enough hp to run without it.
* Are there O2 sensors before and after the cat? If so, wouldn't pumping extra air into the exhaust cause the engine to run rich?
* BlackLT1_TX, I can feel your pain since I live in Sacramento CA. We have the same emissions testing with the exception of everyother year. Next time you know where they are measuring drive-by emissions, turn your engine off in the measurement area. That will be measured as an error. Enough errors and they don't send the violations and they have to check the equipment for proper calibration. Really it works if enough people do it.
* Do you have to make any adjustments (whatever) if you remove your cat?
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Old 10-02-2004, 09:48 AM
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Re: How to cheat emmissions 101! It worked!

Originally Posted by tomatocity
* Are there O2 sensors before and after the cat? ....
Cat?! Why would you put a furry little critter in your exhaust?
* Do you have to make any adjustments (whatever) if you remove your cat?
No. Just a hot wrench and some tubing.
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